Re: gpsd nmea sentences

[Gary E. Miller]

Yo Владимир!

On Wed, 25 Mar 2020 19:58:56 +0300
Владимир Калачихин <address@hidden> wrote:

> How does gpsd translate nmea sentences to core-protocol responses?

Very carefully.  Look in driver_nmea0183.c for details.
 
> Is it true that gpsd do not receive such sentences:
> MWV: Wind Speed and Angle
> VDO: Own Vessel's Information

It receives them just fine.  Then ignores them.  They could be added
without much effort, but no one asked before.

> And, is the "MTW: Water Temperature" and "DPT: Water Depth" sentences 
> are translated to {"class":"ATT", "depth":, "temp":,} ?

MTW and DPT are also ignored by gpsd.  They could also be added.

Before they can be added, we would need real samples of real data
with those sentences.  Easy to get if gpsd is already attached to a
device that sends them:
      gpspipe -R -n 300 > raw.log

Then email this list the raw.log as an attachment.

RGDS
GARY
---------------------------------------------------------------------------
Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97703
        address@hidden  Tel:+1 541 382 8588

            Veritas liberabit vos. -- Quid est veritas?
    "If you can't measure it, you can't improve it." - Lord Kelvin

pgpKUsVJy9Gnz.pgp
Description: OpenPGP digital signature